Since 2015, Assystem has played a vital role in the eastern section of the Thames Tideway Project, working alongside the CVB joint venture (Costain, VINCI Construction Grands Projets, and Bachy Soletanche). The project’s success has been greatly influenced by Assystem’s ability to manage over 2,400 consents, navigating a complex landscape of regulatory requirements and building strong relationships with key stakeholders and consent-granting bodies.

A Proactive and Collaborative Approach
Assystem’s success in managing consents can be attributed to their proactive stakeholder management and the creation of bespoke tools and processes designed to streamline consent workflows. This approach ensured that all consents were granted promptly, and any potential issues were identified early in the process. By integrating consent management directly into the main program, Assystem ensured that everything ran smoothly, minimizing delays and avoiding disruptions.

Exceptional Feedback from Key Stakeholders
The feedback from the CVB joint venture, stakeholders, and regulatory bodies has been overwhelmingly positive. The CVB deputy director praised Assystem’s work, stating that the team has “raised the bar for performance.” Their knowledge of the consenting bodies, combined with outstanding stakeholder management, was particularly highlighted as having a significant impact on the project’s success.

The Environment Agency also commended Assystem for their “knowledgeable, proactive, collaborative, and approachable” way of working. This approach maximized the benefits of the embedded regulator-contractor-client working model and greatly enhanced collaboration between all parties involved.

Delivering Value through Time Savings and Trusted Partnerships
Assystem’s thorough and effective management of the consent process has not only led to successful outcomes but also measurable time savings. For example, due to their efficient handling of consents, CVB gained five months of early access to the site. This achievement underscores Assystem’s ability to deliver exceptional results, build trust, and strengthen the partnership between regulator, contractor, and client—ensuring that the Thames Tideway Project continues to run smoothly and on schedule.


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